📄 jbdataform.java

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/* Copyright (C) 2003 Adam Olsen This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 1, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */package com.valhalla.jbother;import java.awt.BorderLayout;import java.awt.Component;import java.awt.Dimension;import java.awt.GridBagConstraints;import java.awt.GridBagLayout;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.text.MessageFormat;import java.util.ArrayList;import java.util.Iterator;import java.util.Locale;import java.util.ResourceBundle;import java.util.Vector;import javax.swing.BorderFactory;import javax.swing.Box;import javax.swing.BoxLayout;import javax.swing.JButton;import javax.swing.JCheckBox;import javax.swing.JComboBox;import javax.swing.JComponent;import javax.swing.JDialog;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JList;import javax.swing.JPanel;import javax.swing.JPasswordField;import javax.swing.JScrollPane;import javax.swing.JTextField;import javax.swing.ListCellRenderer;import org.jivesoftware.smackx.Form;import org.jivesoftware.smackx.FormField;import com.valhalla.gui.MJTextArea;import com.valhalla.gui.MJTextField;import com.valhalla.gui.Standard;/** * A visual representation of a DataForm * * @author Adam Olsen */public class JBDataForm extends JDialog {    private ResourceBundle resources = ResourceBundle.getBundle(            "JBotherBundle", Locale.getDefault());    private JPanel main;    private JPanel container = new JPanel();    private JButton okButton = new JButton(resources.getString("okButton"));    private JButton cancelButton = new JButton(resources            .getString("cancelButton"));    private Vector fields = new Vector();    private GridBagLayout layout = new GridBagLayout();    private GridBagConstraints c = new GridBagConstraints();    private Vector listeners = new Vector();    private Form form;    public JBDataForm(JFrame parent, Form form) {        super(parent, form.getTitle());        this.form = form;        main = (JPanel) getContentPane();        main.setLayout(new BorderLayout(5, 5));        main.setBorder(BorderFactory.createTitledBorder(form.getTitle()));        JLabel instructions = new JLabel("<html>"                + form.getInstructions().replaceAll("\\n", "<br>") + "</html>");        instructions.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));        main.add(instructions, BorderLayout.NORTH);        JPanel buttonPanel = new JPanel();        buttonPanel.setLayout(new BoxLayout(buttonPanel, BoxLayout.X_AXIS));        buttonPanel.add(Box.createHorizontalGlue());        buttonPanel.add(okButton);        buttonPanel.add(cancelButton);        buttonPanel.add(Box.createHorizontalGlue());        buttonPanel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));        main.add(buttonPanel, BorderLayout.SOUTH);        JScrollPane scroll = new JScrollPane(container);        main.add(scroll);        container.setLayout(layout);        container.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));        c.gridx = 0;        c.gridy = -1;        c.anchor = GridBagConstraints.NORTHWEST;        c.fill = GridBagConstraints.NONE;        Iterator fields = form.getFields();        while (fields.hasNext()) {            FormField field = (FormField) fields.next();            Field f;            if (field.getType().equals(FormField.TYPE_BOOLEAN)) {                f = new BooleanField(field);            } else if (field.getType().equals(FormField.TYPE_FIXED)) {                f = new FixedField(field);            } else if (field.getType().equals(FormField.TYPE_HIDDEN)) {                f = new HiddenField(field);            } else if (field.getType().equals(FormField.TYPE_TEXT_MULTI)) {                f = new MultiTextField(field);            } else if (field.getType().equals(FormField.TYPE_TEXT_PRIVATE)) {                f = new PrivateField(field);            } else if (field.getType().equals(FormField.TYPE_LIST_SINGLE)                    || field.getType().equals(FormField.TYPE_JID_SINGLE)) {                f = new ListSingleField(field);            } else if (field.getType().equals(FormField.TYPE_LIST_MULTI)                    || field.getType().equals(FormField.TYPE_JID_MULTI)) {                f = new ListMultiField(field);            } else {                f = new Field(field);            }            this.fields.add(f);            if (!field.getType().equals(FormField.TYPE_HIDDEN)                    && !field.getType().equals(FormField.TYPE_FIXED)) {                c.gridy++;                c.gridx = 0;                Component left = f.getLeftComponent();                Component right = f.getRightComponent();                c.fill = GridBagConstraints.HORIZONTAL;                c.weightx = .5;                layout.setConstraints(left, c);                container.add(left);                c.fill = GridBagConstraints.NONE;                c.gridx++;                c.weightx = .5;                layout.setConstraints(right, c);                container.add(right);            } else if (field.getType().equals(FormField.TYPE_FIXED)) {                c.gridy++;                c.gridx = 0;                c.gridwidth = 2;                JLabel label = new JLabel("<html><b>" + f.getFirstValue()                        + "</b></html>");                layout.setConstraints(label, c);                container.add(label);                c.gridwidth = 1;            }        }        c.gridy++;        c.gridwidth = 2;        c.weighty = .9;        JLabel blank = new JLabel("");        layout.setConstraints(blank, c);        container.add(blank);        ActionListener listener = new ActionListener() {            public void actionPerformed(ActionEvent e) {                fireEvent(e);            }        };        okButton.setActionCommand("ok");        cancelButton.setActionCommand("cancel");        okButton.addActionListener(listener);        cancelButton.addActionListener(listener);        pack();        setSize(new Dimension(630, 450));        setLocationRelativeTo(parent);    }    public Form getAnswerForm() {        Form a = null;        try {            a = form.createAnswerForm();        } catch (Exception ex) {            Standard.warningMessage(this, resources.getString("dataForm"),                    resources.getString("unknownError"));            dispose();            return null;        }        for (int i = 0; i < this.fields.size(); i++) {            Field field = (Field) this.fields.get(i);            if (field.getVariable() == null || field.getVariable().equals(""))                continue;            if (!ensureAnswer(field.getFormField(), field.getAnswer()))                return null;            Object answer = field.getAnswer();            //com.valhalla.Logger.debug( i + " " + field.getVariable() + " " +            // answer + " " + field.getFormField().getType() );            if (answer instanceof Boolean) {                a.setAnswer(field.getVariable(), ((Boolean) answer)                        .booleanValue());            } else if (answer instanceof java.util.List) {                a.setAnswer(field.getVariable(), (java.util.List) answer);            } else {                a.setAnswer(field.getVariable(), (String) answer);            }        }        return a;    }    private boolean ensureAnswer(FormField field, Object answer) {        if (!field.isRequired())            return true;        if ((answer instanceof String && ((String) answer).equals(""))                || answer == null                || (answer instanceof java.util.List && ((java.util.List) answer)                        .size() <= 0)) {            String w = MessageFormat.format(resources.getString("emptyField"),                    new Object[] { field.getLabel() });            Standard.warningMessage(this, resources.getString(getTitle()), w);            return false;        }        return true;    }    public void addActionListener(ActionListener listener) {        listeners.add(listener);    }    private void fireEvent(ActionEvent e) {        for (int i = 0; i < listeners.size(); i++) {            ActionListener l = (ActionListener) listeners.get(i);            l.actionPerformed(e);        }    }}class Field {    protected JComponent rightComp = new MJTextField(15);    protected FormField field;    public Field(FormField field) {        this.field = field;        ((JTextField) rightComp).setText(getFirstValue());    }    public FormField getFormField() {        return field;    }    protected String getFirstValue() {        Iterator it = field.getValues();        if (!it.hasNext())            return "";        return (String) it.next();    }    public String getVariable() {        return field.getVariable();    }    public Object getAnswer() {        return ((JTextField) rightComp).getText();    }    public JComponent getLeftComponent() {        return new JLabel("<html>" + field.getLabel() + ":</html>");    }    public JComponent getRightComponent() {        return rightComp;    }}class MultiTextField extends Field {    private MJTextArea text = new MJTextArea(3, 20);    public MultiTextField(FormField field) {        super(field);        rightComp = new JScrollPane(text);        text.setText(getFirstValue());    }    public Object getAnswer() {        return text.getText();    }}class ListSingleField extends Field {    public ListSingleField(FormField field) {        super(field);        ArrayList list = new ArrayList();        Iterator options = field.getOptions();        int selected = -1;        int count = 0;        String def = getFirstValue();        while (options.hasNext()) {            FormField.Option option = (FormField.Option) options.next();            list.add(option);            if (option.getValue().equals(def))                selected = count;            count++;        }        rightComp = new JComboBox(list.toArray());        ((JComboBox) rightComp).setRenderer(new MyListRenderer());        if (selected != -1) {            ((JComboBox) rightComp).setSelectedIndex(selected);        }    }    public Object getAnswer() {        FormField.Option option = (FormField.Option) ((JComboBox) rightComp)                .getSelectedItem();        ArrayList answers = new ArrayList();        answers.add(option.getValue());        return answers;    }}class ListMultiField extends Field {    public ListMultiField(FormField field) {        super(field);        ArrayList list = new ArrayList();        Iterator options = field.getOptions();        ArrayList selected = new ArrayList();        int count = 0;        while (options.hasNext()) {            FormField.Option option = (FormField.Option) options.next();            list.add(option);            Iterator values = field.getValues();            while (values.hasNext()) {                String value = (String) values.next();                if (option.getValue().equals(value))                    selected.add(new Integer(count));            }            count++;        }        rightComp = new JList(list.toArray());        if (selected.size() > 0) {            int indecis[] = new int[selected.size()];            for (int i = 0; i < selected.size(); i++) {                Integer in = (Integer) selected.get(i);                indecis[i] = in.intValue();            }            ((JList) rightComp).setSelectedIndices(indecis);        }        ((JList) rightComp).setCellRenderer(new MyListRenderer());    }    public Object getAnswer() {        Object[] sel = ((JList) rightComp).getSelectedValues();        ArrayList answers = new ArrayList();        for (int i = 0; i < sel.length; i++) {            FormField.Option option = (FormField.Option) sel[i];            answers.add(option.getValue());        }        return answers;    }}class PrivateField extends Field {    public PrivateField(FormField field) {        super(field);        rightComp = new JPasswordField(15);        ((JPasswordField) rightComp).setText(getFirstValue());        ((JPasswordField) rightComp).setFont(new MJTextField().getFont());    }    public Object getAnswer() {        return new String(((JPasswordField) rightComp).getPassword());    }}class HiddenField extends Field {    public HiddenField(FormField field) {        super(field);    }    public Object getAnswer() {        return getFirstValue();    }}class BooleanField extends Field {    public BooleanField(FormField field) {        super(field);        rightComp = new JCheckBox();        if (getFirstValue().equals("1"))            ((JCheckBox) rightComp).setSelected(true);    }    public Object getAnswer() {        if (((JCheckBox) rightComp).isSelected()) {            return new Boolean(true);        } else {            return new Boolean(false);        }    }}class FixedField extends Field {    public FixedField(FormField field) {        super(field);    }    public Object getAnswer() {        return getFirstValue();    }}class MyListRenderer extends JLabel implements ListCellRenderer {    public MyListRenderer() {        setOpaque(true);    }    public Component getListCellRendererComponent(JList list, Object value,            int index, boolean isSelected, boolean cellHasFocus) {        FormField.Option op = (FormField.Option) value;        if (!op.getLabel().equals("")) {            setText(op.getLabel());        } else {            setText(op.getValue());        }        setBackground(isSelected ? list.getSelectionBackground() : list                .getBackground());        setForeground(isSelected ? list.getSelectionForeground() : list                .getForeground());        return this;    }}
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